If you are currently running IOS 10.5.8 on your Apple device, you should check with either the Apple website or at an Apple store to find out what the terms for upgrading for free to IOS 10.6 are. I do not believe I have had to pay to upgrade either on my computer or my iPhone, but i do not know about other Apple devices.
You will need to use the iStore on a friends computer or pop in to an Apple store or IPhone reseller
Click on 'Update' in iTunes!
Is there enough internal memory on your iPhone??
No.
The Latest Version of iOS is iOS 6.0, as of September 19, 2012.
Yes they do but remember to upgrade to the latest iOS version 6
P0sixninja sells iPhone 5 and iOS 6 jailbreak exploits to an Apple employee
I doubt if you could ! Normally, you're only able to upgrade hardware and software to a newer version. That would be like swapping your current car for an older model.
The Apple iPhone uses Apple's iOS which is based on their Mac OS X system (See links below).
iOS is the name given to the software on the iPhone, iPad, and iPod Touch. Note that the Apple TV's software is also known as iOS, but it's version numbers are not in sync with versions of the other devices and the UI is completely different from other iOS devices.
i need to install nimbuzz Numbuzz requires iOS 4.0. The First generation iPhone (sometimes called the iPhone 2G) can only run up to iOS 3.x. For IOS 4, you need an iPhone 3 or newer model.